[PATCH] 2.6 Altix : shut off xmit intr if done xmitting

[Pat Gefre]

Small mod to shut off the xmit interrupt if we have nothing to transmit.

Signed-off-by: Patrick Gefre <pfg@xxxxxxx>

--

Patrick Gefre
Silicon Graphics, Inc.                     (E-Mail)  pfg@xxxxxxx
2750 Blue Water Rd                         (Voice)   (651) 683-3127
Eagan, MN 55121-1400                       (FAX)     (651) 683-3054





Index: linux-2.6/drivers/serial/sn_console.c
===================================================================
--- linux-2.6.orig/drivers/serial/sn_console.c	2005-05-04 16:50:17.574221234 -0500
+++ linux-2.6/drivers/serial/sn_console.c	2005-05-11 14:37:07.817008412 -0500
@@ -572,6 +572,7 @@
 
 	if (uart_circ_empty(xmit) || uart_tx_stopped(&port->sc_port)) {
 		/* Nothing to do. */
+		ia64_sn_console_intr_disable(SAL_CONSOLE_INTR_XMIT);
 		return;
 	}
 
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